KickJava   Java API By Example, From Geeks To Geeks.

Java > Open Source Codes > com > jcorporate > expresso > services > controller > dbmaint > UpdateUpdate


1 /* ====================================================================
2  * The Jcorporate Apache Style Software License, Version 1.2 05-07-2002
3  *
4  * Copyright (c) 1995-2002 Jcorporate Ltd. All rights reserved.
5  *
6  * Redistribution and use in source and binary forms, with or without
7  * modification, are permitted provided that the following conditions
8  * are met:
9  *
10  * 1. Redistributions of source code must retain the above copyright
11  * notice, this list of conditions and the following disclaimer.
12  *
13  * 2. Redistributions in binary form must reproduce the above copyright
14  * notice, this list of conditions and the following disclaimer in
15  * the documentation and/or other materials provided with the
16  * distribution.
17  *
18  * 3. The end-user documentation included with the redistribution,
19  * if any, must include the following acknowledgment:
20  * "This product includes software developed by Jcorporate Ltd.
21  * (http://www.jcorporate.com/)."
22  * Alternately, this acknowledgment may appear in the software itself,
23  * if and wherever such third-party acknowledgments normally appear.
24  *
25  * 4. "Jcorporate" and product names such as "Expresso" must
26  * not be used to endorse or promote products derived from this
27  * software without prior written permission. For written permission,
28  * please contact info@jcorporate.com.
29  *
30  * 5. Products derived from this software may not be called "Expresso",
31  * or other Jcorporate product names; nor may "Expresso" or other
32  * Jcorporate product names appear in their name, without prior
33  * written permission of Jcorporate Ltd.
34  *
35  * 6. No product derived from this software may compete in the same
36  * market space, i.e. framework, without prior written permission
37  * of Jcorporate Ltd. For written permission, please contact
38  * partners@jcorporate.com.
39  *
40  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
41  * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
42  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
43  * DISCLAIMED. IN NO EVENT SHALL JCORPORATE LTD OR ITS CONTRIBUTORS
44  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
45  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
46  * TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
47  * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
48  * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
49  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
50  * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
51  * SUCH DAMAGE.
52  * ====================================================================
53  *
54  * This software consists of voluntary contributions made by many
55  * individuals on behalf of the Jcorporate Ltd. Contributions back
56  * to the project(s) are encouraged when you make modifications.
57  * Please send them to support@jcorporate.com. For more information
58  * on Jcorporate Ltd. and its products, please see
59  * <http://www.jcorporate.com/>.
60  *
61  * Portions of this software are based upon other open source
62  * products and are subject to their respective licenses.
63  */
64
65 package com.jcorporate.expresso.services.controller.dbmaint;
66
67 /*
68  * UpdateUpdate.java
69  *
70  * Copyright 1999, 2000, 2001 Jcorporate Ltd.
71  */
72
73 import com.jcorporate.expresso.core.controller.ControllerException;
74 import com.jcorporate.expresso.core.controller.ControllerRequest;
75 import com.jcorporate.expresso.core.controller.ControllerResponse;
76 import com.jcorporate.expresso.core.controller.ErrorCollection;
77 import com.jcorporate.expresso.core.controller.NonHandleableException;
78 import com.jcorporate.expresso.core.controller.Output;
79 import com.jcorporate.expresso.core.dataobjects.DataObject;
80 import com.jcorporate.expresso.core.dataobjects.Securable;
81 import com.jcorporate.expresso.core.db.DBException;
82 import com.jcorporate.expresso.core.dbobj.SecuredDBObject;
83 import com.jcorporate.expresso.core.misc.StringUtil;
84 import com.jcorporate.expresso.core.security.User;
85 import com.jcorporate.expresso.services.controller.ui.DefaultAutoElement;
86 import com.jcorporate.expresso.services.dbobj.Setup;
87 import org.apache.log4j.Logger;
88
89
90 /**
91  * Lets user update a record. Processes the data passed
92  * via standard form by UPDATE after the user has pressed
93  * the save button
94  *
95  * @author Michael Nash, contributions by Kevin King
96  * @version $Revision: 1.21 $ $Date: 2004/11/17 20:48:18 $
97  */
98 public class UpdateUpdate
99         extends UpdateBase {
100     private Logger log = Logger.getLogger(UpdateUpdate.class);
101
102     public UpdateUpdate() {
103
104     }
105
106     /**
107      * Constructor
108      *
109      * @param code The name of the state.
110      * @param descrip The friendly name of the state
111      */
112     public UpdateUpdate(String JavaDoc code, String JavaDoc descrip) {
113         super(code, descrip);
114     } /* UpdateUpdate(String, String) */
115
116     /**
117      * Perform the actions of this state.
118      *
119      * @param req The <code>ControllerRequest</code> object
120      * @param res The <code>ControllerResponse</code> object
121      */
122     public void run(ControllerRequest req, ControllerResponse res)
123             throws NonHandleableException, ControllerException {
124         super.run(req, res);
125
126         DataObject myDBObj = this.getDataObject();
127         ErrorCollection ee = new ErrorCollection();
128
129         try {
130             setFormCache();
131             myDBObj = this.retrieveMyDBObject();
132
133             myDBObj = DefaultAutoElement.getAutoControllerElement().parseDBObject(req, myDBObj, ee);
134
135             /* populate the rest of the fields from the parameters normally */
136             if (ee.getErrorCount() > 0) {
137                 res.saveErrors(ee);
138                 transition("Update", req, res);
139                 return;
140             }
141
142             if (myDBObj instanceof Securable) {
143                 ((Securable) myDBObj).isAllowed(SecuredDBObject.UPDATE);
144
145             } else {
146                 if (getUid() == SecuredDBObject.SYSTEM_ACCOUNT
147                         || User.getUserFromId(getUid(), this.getControllerRequest().getDataContext()).isAdmin()) {
148                     // all access ok
149 } else {
150                     String JavaDoc allowInsecure = Setup.getValue(req.getDataContext(),
151                             com.jcorporate.expresso.core.ExpressoSchema.class.getName(),
152                             "insecureDBMaint");
153                     if (!(StringUtil.toBoolean(allowInsecure))) {
154                         throw new SecurityException JavaDoc("Access to unsecured Objects not allowed");
155                     }
156                 }
157             }
158
159             myDBObj.update();
160
161             //Save any updated BLOB fields.
162 super.saveBlobFields(myDBObj);
163
164
165             addOutput(new Output("title", "Data Saved"));
166             showUserName("");
167             showNext = false;
168             showPrev = false;
169             addOutput(new Output("message", "Data Updated"));
170             showKey(true);
171             showOptions();
172             clearFormCache();
173         } catch (DBException de) {
174             log.warn(de);
175             ee.addError(de);
176             res.saveErrors(ee);
177             transition("Update", req, res);
178             return;
179         }
180         if (ee.getErrorCount() > 0) {
181             res.saveErrors(ee);
182             setResponse(getController().newState("Update", req));
183
184             //getController().getState("Add").run(req, res);
185 }
186     } /* execute() */
187
188
189 }
190
191 /* UpdateUpdate */
Popular Tags